Early monomorphic ventricular tachycardia tied to long-term mortality in STEMI: Study
Sweden: Early monomorphic ventricular tachycardia (VT) compared to nonmonomorphic VT/VF (ventricular fibrillation) is associated with a higher risk of all-cause mortality in STEMI patients, concludes a recent study. The study appears in The American Journal of Cardiology.
Early ventricular tachycardia and ventricular fibrillation are shown to be associated with increased in-hospital mortality but does not impact the long-term prognosis in ST-elevation myocardial infarction (STEMI). Recent data support a differential approach to the arrhythmia type and indicate long-term mortality hazard tied to monomorphic VT.
Against the above background, Marina M. Demidova, Department of Cardiology, Clinical Sciences, Lund University, Lund, Sweden, and colleagues aimed to evaluate the prognostic value of early monomorphic VT compared to nonmonomorphic VT/VF in a nonselected cohort of STEMI patients.
The study included consecutive STEMI patients admitted for primary percutaneous coronary intervention from 2007 to 2010. Using the Swedish national SWEDEHEART registry, clinical characteristics were obtained. The occurrence and type of early VT/VF were verified in medical records.
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